/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineFriendsInterface.h
Update the current friend settings
virtual void UpdateFriendInvitePolicySettings ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & LocalUserId, const [EFriendInvitePolicy](API\Plugins\OnlineSubsystem\EFriendInvitePolicy) FriendInvitePolicy, const bool bAffectsExistingInvites, [FOnSettingsOperationComplete](API\Plugins\OnlineSubsystem\Interfaces\FOnSettingsOperationComplete) Delegate )